Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 822 insertions, 0 deletions

diff --git a/toolkit/source/controls/unocontrolcontainer.cxx b/toolkit/source/controls/unocontrolcontainer.cxx
new file mode 100644
index 000000000..806ec4863
--- /dev/null
+++ b/toolkit/source/controls/unocontrolcontainer.cxx
@@ -0,0 +1,822 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/awt/XVclContainerPeer.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/beans/XPropertyChangeListener.hpp>
+#include <com/sun/star/container/NoSuchElementException.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+
+#include <cppuhelper/implbase.hxx>
+
+#include <controls/unocontrolcontainer.hxx>
+#include <comphelper/sequence.hxx>
+
+#include <tools/debug.hxx>
+
+#include <limits>
+#include <map>
+#include <memory>
+#include <com/sun/star/awt/VclWindowPeerAttribute.hpp>
+
+using namespace ::com::sun::star;
+
+
+
+namespace {
+
+struct UnoControlHolder
+{
+    uno::Reference< awt::XControl > mxControl;
+    OUString                        msName;
+
+public:
+    UnoControlHolder( const OUString& rName, const uno::Reference< awt::XControl > & rControl )
+    :   mxControl( rControl ),
+        msName( rName )
+    {
+    }
+
+    const OUString&                   getName() const { return msName; }
+    const uno::Reference< awt::XControl >&   getControl() const { return mxControl; }
+};
+
+}
+
+class UnoControlHolderList
+{
+public:
+    typedef sal_Int32                                       ControlIdentifier;
+private:
+    typedef std::shared_ptr< UnoControlHolder >         ControlInfo;
+    typedef ::std::map< ControlIdentifier, ControlInfo >    ControlMap;
+
+private:
+    ControlMap  maControls;
+
+public:
+    UnoControlHolderList();
+
+    /** adds a control with the given name to the list
+        @param _rxControl
+            the control to add. Must not be <NULL/>
+        @param _pBName
+            the name of the control, or <NULL/> if an automatic name should be generated
+        @return
+            the identifier of the newly added control
+    */
+    ControlIdentifier   addControl( const uno::Reference< awt::XControl >& _rxControl, const OUString* _pName );
+
+    /** determines whether or not the list is empty
+    */
+    bool         empty() const { return maControls.empty(); }
+
+    /** retrieves all controls currently in the list
+    */
+    void  getControls( uno::Sequence< uno::Reference< awt::XControl > >& _out_rControls ) const;
+
+    /** retrieves all identifiers of all controls currently in the list
+    */
+    void  getIdentifiers( uno::Sequence< sal_Int32 >& _out_rIdentifiers ) const;
+
+    /** returns the first control which is registered under the given name
+    */
+    uno::Reference< awt::XControl >
+            getControlForName( const OUString& _rName ) const;
+
+    /** returns the identifier which a control is registered for, or -1 if the control
+            isn't registered
+    */
+    ControlIdentifier
+            getControlIdentifier( const uno::Reference< awt::XControl >& _rxControl );
+
+    /** retrieves the control for a given id
+        @param _nIdentifier
+            the identifier for the control
+        @param _out_rxControl
+            takes the XControl upon successful return
+        @return
+            <TRUE/> if and only if a control with the given id is part of the list
+    */
+    bool    getControlForIdentifier( ControlIdentifier _nIdentifier, uno::Reference< awt::XControl >& _out_rxControl ) const;
+
+    /** removes a control from the list, given by id
+        @param _nId
+            The identifier of the control to remove.
+    */
+    void    removeControlById( ControlIdentifier _nId );
+
+    /** replaces a control from the list with another one
+        @param _nId
+            The identifier of the control to replace
+        @param _rxNewControl
+            the new control to put into the list
+    */
+    void    replaceControlById( ControlIdentifier _nId, const uno::Reference< awt::XControl >& _rxNewControl );
+
+private:
+    /** adds a control
+    @param _rxControl
+        the control to add to the container
+    @param _pName
+        pointer to the name of the control. Might be <NULL/>, in this case, a name is generated.
+    @return
+        the identifier of the newly inserted control
+    */
+    ControlIdentifier impl_addControl(
+        const uno::Reference< awt::XControl >& _rxControl,
+        const OUString*  _pName
+    );
+
+    /** finds a free identifier
+        @throw uno::RuntimeException
+            if no free identifier can be found
+    */
+    ControlIdentifier impl_getFreeIdentifier_throw();
+
+    /** finds a free name
+        @throw uno::RuntimeException
+            if no free name can be found
+    */
+    OUString impl_getFreeName_throw();
+};
+
+
+UnoControlHolderList::UnoControlHolderList()
+{
+}
+
+
+UnoControlHolderList::ControlIdentifier UnoControlHolderList::addControl( const uno::Reference< awt::XControl >& _rxControl, const OUString* _pName )
+{
+    return impl_addControl( _rxControl, _pName );
+}
+
+
+void UnoControlHolderList::getControls( uno::Sequence< uno::Reference< awt::XControl > >& _out_rControls ) const
+{
+    _out_rControls.realloc( maControls.size() );
+    uno::Reference< awt::XControl >* pControls = _out_rControls.getArray();
+    for (const auto& rEntry : maControls)
+    {
+        *pControls = rEntry.second->getControl();
+        ++pControls;
+    }
+}
+
+
+void UnoControlHolderList::getIdentifiers( uno::Sequence< sal_Int32 >& _out_rIdentifiers ) const
+{
+    _out_rIdentifiers.realloc( maControls.size() );
+    sal_Int32* pIdentifiers = _out_rIdentifiers.getArray();
+    for (const auto& rEntry : maControls)
+    {
+        *pIdentifiers = rEntry.first;
+        ++pIdentifiers;
+    }
+}
+
+
+uno::Reference< awt::XControl > UnoControlHolderList::getControlForName( const OUString& _rName ) const
+{
+    auto loop = std::find_if(maControls.begin(), maControls.end(),
+        [&_rName](const ControlMap::value_type& rEntry) { return rEntry.second->getName() == _rName; });
+    if (loop != maControls.end())
+        return loop->second->getControl();
+    return uno::Reference< awt::XControl >();
+}
+
+
+UnoControlHolderList::ControlIdentifier UnoControlHolderList::getControlIdentifier( const uno::Reference< awt::XControl >& _rxControl )
+{
+    auto loop = std::find_if(maControls.begin(), maControls.end(),
+        [&_rxControl](const ControlMap::value_type& rEntry) { return rEntry.second->getControl().get() == _rxControl.get(); });
+    if (loop != maControls.end())
+        return loop->first;
+    return -1;
+}
+
+
+bool UnoControlHolderList::getControlForIdentifier( UnoControlHolderList::ControlIdentifier _nIdentifier, uno::Reference< awt::XControl >& _out_rxControl ) const
+{
+    ControlMap::const_iterator pos = maControls.find( _nIdentifier );
+    if ( pos == maControls.end() )
+        return false;
+    _out_rxControl = pos->second->getControl();
+    return true;
+}
+
+
+void UnoControlHolderList::removeControlById( UnoControlHolderList::ControlIdentifier _nId )
+{
+    ControlMap::iterator pos = maControls.find( _nId );
+    DBG_ASSERT( pos != maControls.end(), "UnoControlHolderList::removeControlById: invalid id!" );
+    if ( pos == maControls.end() )
+        return;
+
+    maControls.erase( pos );
+}
+
+
+void UnoControlHolderList::replaceControlById( ControlIdentifier _nId, const uno::Reference< awt::XControl >& _rxNewControl )
+{
+    DBG_ASSERT( _rxNewControl.is(), "UnoControlHolderList::replaceControlById: invalid new control!" );
+
+    ControlMap::iterator pos = maControls.find( _nId );
+    DBG_ASSERT( pos != maControls.end(), "UnoControlHolderList::replaceControlById: invalid id!" );
+    if ( pos == maControls.end() )
+        return;
+
+    pos->second = std::make_shared<UnoControlHolder>( pos->second->getName(), _rxNewControl );
+}
+
+
+UnoControlHolderList::ControlIdentifier UnoControlHolderList::impl_addControl( const uno::Reference< awt::XControl >& _rxControl, const OUString* _pName )
+{
+    DBG_ASSERT( _rxControl.is(), "UnoControlHolderList::impl_addControl: invalid control!" );
+
+    OUString sName = _pName ? *_pName : impl_getFreeName_throw();
+    sal_Int32 nId = impl_getFreeIdentifier_throw();
+
+    maControls[ nId ] = std::make_shared<UnoControlHolder>( sName, _rxControl );
+    return nId;
+}
+
+
+UnoControlHolderList::ControlIdentifier UnoControlHolderList::impl_getFreeIdentifier_throw()
+{
+    for ( ControlIdentifier candidateId = 0; candidateId < ::std::numeric_limits< ControlIdentifier >::max(); ++candidateId )
+    {
+        ControlMap::const_iterator existent = maControls.find( candidateId );
+        if ( existent == maControls.end() )
+            return candidateId;
+    }
+    throw uno::RuntimeException("out of identifiers" );
+}
+
+
+OUString UnoControlHolderList::impl_getFreeName_throw()
+{
+    for ( ControlIdentifier candidateId = 0; candidateId < ::std::numeric_limits< ControlIdentifier >::max(); ++candidateId )
+    {
+        OUString candidateName( "control_" + OUString::number( candidateId ) );
+        if ( std::none_of(maControls.begin(), maControls.end(),
+                [&candidateName](const ControlMap::value_type& rEntry) { return rEntry.second->getName() == candidateName; }) )
+            return candidateName;
+    }
+    throw uno::RuntimeException("out of identifiers" );
+}
+
+//  Function to set the controls' visibility according
+//  to the dialog's "Step" property
+
+static void implUpdateVisibility
+(
+    sal_Int32 nDialogStep,
+    const uno::Reference< awt::XControlContainer >& xControlContainer
+)
+{
+    const uno::Sequence< uno::Reference< awt::XControl > >
+        aCtrls = xControlContainer->getControls();
+    bool bCompleteVisible = (nDialogStep == 0);
+    for( const uno::Reference< awt::XControl >& xControl : aCtrls )
+    {
+        bool bVisible = bCompleteVisible;
+        if( !bVisible )
+        {
+            uno::Reference< awt::XControlModel > xModel( xControl->getModel() );
+            uno::Reference< beans::XPropertySet > xPSet
+                ( xModel, uno::UNO_QUERY );
+            uno::Reference< beans::XPropertySetInfo >
+                xInfo = xPSet->getPropertySetInfo();
+            OUString aPropName( "Step" );
+            sal_Int32 nControlStep = 0;
+            if ( xInfo->hasPropertyByName( aPropName ) )
+            {
+                uno::Any aVal = xPSet->getPropertyValue( aPropName );
+                aVal >>= nControlStep;
+            }
+            bVisible = (nControlStep == 0) || (nControlStep == nDialogStep);
+        }
+
+        uno::Reference< awt::XWindow> xWindow
+            ( xControl, uno::UNO_QUERY );
+        if( xWindow.is() )
+            xWindow->setVisible( bVisible );
+    }
+}
+
+
+
+typedef ::cppu::WeakImplHelper< beans::XPropertyChangeListener > PropertyChangeListenerHelper;
+
+namespace {
+
+class DialogStepChangedListener: public PropertyChangeListenerHelper
+{
+private:
+    uno::Reference< awt::XControlContainer > mxControlContainer;
+
+public:
+    explicit DialogStepChangedListener( uno::Reference< awt::XControlContainer > const & xControlContainer )
+        : mxControlContainer( xControlContainer ) {}
+
+    // XEventListener
+    virtual void SAL_CALL disposing( const  lang::EventObject& Source ) override;
+
+    // XPropertyChangeListener
+    virtual void SAL_CALL propertyChange( const  beans::PropertyChangeEvent& evt ) override;
+
+};
+
+}
+
+void SAL_CALL DialogStepChangedListener::disposing( const  lang::EventObject& /*_rSource*/)
+{
+    mxControlContainer.clear();
+}
+
+void SAL_CALL DialogStepChangedListener::propertyChange( const  beans::PropertyChangeEvent& evt )
+{
+    // evt.PropertyName HAS to be "Step" because we only use the listener for that
+    sal_Int32 nDialogStep = 0;
+    evt.NewValue >>= nDialogStep;
+    implUpdateVisibility( nDialogStep, mxControlContainer );
+}
+
+
+
+UnoControlContainer::UnoControlContainer()
+    :maCListeners( *this )
+{
+    mpControls.reset(new UnoControlHolderList);
+}
+
+UnoControlContainer::UnoControlContainer(const uno::Reference< awt::XWindowPeer >& xP )
+    :maCListeners( *this )
+{
+    setPeer( xP );
+    mbDisposePeer = false;
+    mpControls.reset(new UnoControlHolderList);
+}
+
+UnoControlContainer::~UnoControlContainer()
+{
+}
+
+void UnoControlContainer::ImplActivateTabControllers()
+{
+    for ( auto& rTabController : asNonConstRange(maTabControllers) )
+    {
+        rTabController->setContainer( this );
+        rTabController->activateTabOrder();
+    }
+}
+
+// lang::XComponent
+void UnoControlContainer::dispose(  )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    lang::EventObject aDisposeEvent;
+    aDisposeEvent.Source = static_cast< uno::XAggregation* >( this );
+
+    // Notify listeners about disposal of this Container (This is much faster if they
+    // listen on the controls and the container).
+    maDisposeListeners.disposeAndClear( aDisposeEvent );
+    maCListeners.disposeAndClear( aDisposeEvent );
+
+
+    const uno::Sequence< uno::Reference< awt::XControl > > aCtrls = getControls();
+
+    for( uno::Reference< awt::XControl > const & control : aCtrls )
+    {
+        removingControl( control );
+        // Delete control
+        control->dispose();
+    }
+
+
+    // Delete all structures
+    mpControls.reset(new UnoControlHolderList);
+
+    UnoControlBase::dispose();
+}
+
+// lang::XEventListener
+void UnoControlContainer::disposing( const lang::EventObject& _rEvt )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Reference< awt::XControl >  xControl( _rEvt.Source, uno::UNO_QUERY );
+    if ( xControl.is() )
+        removeControl( xControl );
+
+    UnoControlBase::disposing( _rEvt );
+}
+
+// container::XContainer
+void UnoControlContainer::addContainerListener( const uno::Reference< container::XContainerListener >& rxListener )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    maCListeners.addInterface( rxListener );
+}
+
+void UnoControlContainer::removeContainerListener( const uno::Reference< container::XContainerListener >& rxListener )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    maCListeners.removeInterface( rxListener );
+}
+
+
+::sal_Int32 SAL_CALL UnoControlContainer::insert( const uno::Any& _rElement )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Reference< awt::XControl > xControl;
+    if ( !( _rElement >>= xControl ) || !xControl.is() )
+        throw lang::IllegalArgumentException(
+            "Elements must support the XControl interface.",
+            *this,
+            1
+        );
+
+    return impl_addControl( xControl );
+}
+
+void SAL_CALL UnoControlContainer::removeByIdentifier( ::sal_Int32 _nIdentifier )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Reference< awt::XControl > xControl;
+    if ( !mpControls->getControlForIdentifier( _nIdentifier, xControl ) )
+        throw container::NoSuchElementException(
+            "There is no element with the given identifier.",
+            *this
+        );
+
+    impl_removeControl( _nIdentifier, xControl );
+}
+
+void SAL_CALL UnoControlContainer::replaceByIdentifer( ::sal_Int32 _nIdentifier, const uno::Any& _rElement )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Reference< awt::XControl > xExistentControl;
+    if ( !mpControls->getControlForIdentifier( _nIdentifier, xExistentControl ) )
+        throw container::NoSuchElementException(
+            "There is no element with the given identifier.",
+            *this
+        );
+
+    uno::Reference< awt::XControl > xNewControl;
+    if ( !( _rElement >>= xNewControl ) )
+        throw lang::IllegalArgumentException(
+            "Elements must support the XControl interface.",
+            *this,
+            1
+        );
+
+    removingControl( xExistentControl );
+
+    mpControls->replaceControlById( _nIdentifier, xNewControl );
+
+    addingControl( xNewControl );
+
+    impl_createControlPeerIfNecessary( xNewControl );
+
+    if ( maCListeners.getLength() )
+    {
+        container::ContainerEvent aEvent;
+        aEvent.Source = *this;
+        aEvent.Accessor <<= _nIdentifier;
+        aEvent.Element <<= xNewControl;
+        aEvent.ReplacedElement <<= xExistentControl;
+        maCListeners.elementReplaced( aEvent );
+    }
+}
+
+uno::Any SAL_CALL UnoControlContainer::getByIdentifier( ::sal_Int32 _nIdentifier )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Reference< awt::XControl > xControl;
+    if ( !mpControls->getControlForIdentifier( _nIdentifier, xControl ) )
+        throw container::NoSuchElementException();
+    return uno::Any( xControl );
+}
+
+uno::Sequence< ::sal_Int32 > SAL_CALL UnoControlContainer::getIdentifiers(  )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    uno::Sequence< ::sal_Int32 > aIdentifiers;
+    mpControls->getIdentifiers( aIdentifiers );
+    return aIdentifiers;
+}
+
+// container::XElementAccess
+uno::Type SAL_CALL UnoControlContainer::getElementType(  )
+{
+    return cppu::UnoType<awt::XControlModel>::get();
+}
+
+sal_Bool SAL_CALL UnoControlContainer::hasElements(  )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+    return !mpControls->empty();
+}
+
+// awt::XControlContainer
+void UnoControlContainer::setStatusText( const OUString& rStatusText )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    // Descend the parent hierarchy
+    uno::Reference< awt::XControlContainer >  xContainer( mxContext, uno::UNO_QUERY );
+    if( xContainer.is() )
+        xContainer->setStatusText( rStatusText );
+}
+
+uno::Sequence< uno::Reference< awt::XControl > > UnoControlContainer::getControls(  )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+    uno::Sequence< uno::Reference< awt::XControl > > aControls;
+    mpControls->getControls( aControls );
+    return aControls;
+}
+
+uno::Reference< awt::XControl > UnoControlContainer::getControl( const OUString& rName )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+    return mpControls->getControlForName( rName );
+}
+
+void UnoControlContainer::addingControl( const uno::Reference< awt::XControl >& _rxControl )
+{
+    if ( _rxControl.is() )
+    {
+        uno::Reference< uno::XInterface > xThis;
+        OWeakAggObject::queryInterface( cppu::UnoType<uno::XInterface>::get() ) >>= xThis;
+
+        _rxControl->setContext( xThis );
+        _rxControl->addEventListener( this );
+    }
+}
+
+void UnoControlContainer::impl_createControlPeerIfNecessary( const uno::Reference< awt::XControl >& _rxControl )
+{
+    OSL_PRECOND( _rxControl.is(), "UnoControlContainer::impl_createControlPeerIfNecessary: invalid control, this will crash!" );
+
+    // if the container already has a peer, then also create a peer for the control
+    uno::Reference< awt::XWindowPeer > xMyPeer( getPeer() );
+
+    if( xMyPeer.is() )
+    {
+        _rxControl->createPeer( nullptr, xMyPeer );
+        ImplActivateTabControllers();
+    }
+
+}
+
+sal_Int32 UnoControlContainer::impl_addControl( const uno::Reference< awt::XControl >& _rxControl, const OUString* _pName )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+    UnoControlHolderList::ControlIdentifier id = mpControls->addControl( _rxControl, _pName );
+
+    addingControl( _rxControl );
+
+    impl_createControlPeerIfNecessary( _rxControl );
+
+    if ( maCListeners.getLength() )
+    {
+        container::ContainerEvent aEvent;
+        aEvent.Source = *this;
+        if (_pName)
+            aEvent.Accessor <<= *_pName;
+        else
+            aEvent.Accessor <<= static_cast<sal_Int32>(id);
+        aEvent.Element <<= _rxControl;
+        maCListeners.elementInserted( aEvent );
+    }
+
+    return id;
+}
+
+void UnoControlContainer::addControl( const OUString& rName, const uno::Reference< awt::XControl >& rControl )
+{
+    if ( rControl.is() )
+        impl_addControl( rControl, &rName );
+}
+
+void UnoControlContainer::removingControl( const uno::Reference< awt::XControl >& _rxControl )
+{
+    if ( _rxControl.is() )
+    {
+        _rxControl->removeEventListener( this );
+        _rxControl->setContext( nullptr );
+    }
+}
+
+void UnoControlContainer::impl_removeControl( sal_Int32 _nId, const uno::Reference< awt::XControl >& _rxControl )
+{
+#ifdef DBG_UTIL
+    {
+        uno::Reference< awt::XControl > xControl;
+        bool bHas = mpControls->getControlForIdentifier( _nId, xControl );
+        DBG_ASSERT( bHas && xControl == _rxControl, "UnoControlContainer::impl_removeControl: inconsistency in the parameters!" );
+    }
+#endif
+    removingControl( _rxControl );
+
+    mpControls->removeControlById( _nId );
+
+    if ( maCListeners.getLength() )
+    {
+        container::ContainerEvent aEvent;
+        aEvent.Source = *this;
+        aEvent.Accessor <<= _nId;
+        aEvent.Element <<= _rxControl;
+        maCListeners.elementRemoved( aEvent );
+    }
+}
+
+void UnoControlContainer::removeControl( const uno::Reference< awt::XControl >& _rxControl )
+{
+    if ( _rxControl.is() )
+    {
+        ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+        UnoControlHolderList::ControlIdentifier id = mpControls->getControlIdentifier( _rxControl );
+        if ( id != -1 )
+            impl_removeControl( id, _rxControl );
+    }
+}
+
+
+// awt::XUnoControlContainer
+void UnoControlContainer::setTabControllers( const uno::Sequence< uno::Reference< awt::XTabController > >& TabControllers )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    maTabControllers = TabControllers;
+}
+
+uno::Sequence< uno::Reference< awt::XTabController > > UnoControlContainer::getTabControllers(  )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    return maTabControllers;
+}
+
+void UnoControlContainer::addTabController( const uno::Reference< awt::XTabController >& TabController )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    sal_uInt32 nCount = maTabControllers.getLength();
+    maTabControllers.realloc( nCount + 1 );
+    maTabControllers.getArray()[ nCount ] = TabController;
+}
+
+void UnoControlContainer::removeTabController( const uno::Reference< awt::XTabController >& TabController )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    auto pTabController = std::find_if(std::cbegin(maTabControllers), std::cend(maTabControllers),
+        [&TabController](const uno::Reference< awt::XTabController >& rTabController) {
+            return rTabController.get() == TabController.get(); });
+    if (pTabController != std::cend(maTabControllers))
+    {
+        auto n = static_cast<sal_Int32>(std::distance(std::cbegin(maTabControllers), pTabController));
+        ::comphelper::removeElementAt( maTabControllers, n );
+    }
+}
+
+// awt::XControl
+void UnoControlContainer::createPeer( const uno::Reference< awt::XToolkit >& rxToolkit, const uno::Reference< awt::XWindowPeer >& rParent )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    if( getPeer().is() )
+        return;
+
+    bool bVis = maComponentInfos.bVisible;
+    if( bVis )
+        UnoControl::setVisible( false );
+
+    // Create a new peer
+    UnoControl::createPeer( rxToolkit, rParent );
+
+    // Create all children's peers
+    if ( !mbCreatingCompatiblePeer )
+    {
+        // Evaluate "Step" property
+        uno::Reference< awt::XControlModel > xModel( getModel() );
+        uno::Reference< beans::XPropertySet > xPSet
+            ( xModel, uno::UNO_QUERY );
+        uno::Reference< beans::XPropertySetInfo >
+            xInfo = xPSet->getPropertySetInfo();
+        OUString aPropName( "Step" );
+        if ( xInfo->hasPropertyByName( aPropName ) )
+        {
+            css::uno::Any aVal = xPSet->getPropertyValue( aPropName );
+            sal_Int32 nDialogStep = 0;
+            aVal >>= nDialogStep;
+            uno::Reference< awt::XControlContainer > xContainer =
+                static_cast< awt::XControlContainer* >(this);
+            implUpdateVisibility( nDialogStep, xContainer );
+
+            uno::Reference< beans::XPropertyChangeListener > xListener =
+                new DialogStepChangedListener(xContainer);
+            xPSet->addPropertyChangeListener( aPropName, xListener );
+        }
+
+        uno::Sequence< uno::Reference< awt::XControl > > aCtrls = getControls();
+        for( auto& rCtrl : asNonConstRange(aCtrls) )
+            rCtrl->createPeer( rxToolkit, getPeer() );
+
+        uno::Reference< awt::XVclContainerPeer >  xC( getPeer(), uno::UNO_QUERY );
+        if ( xC.is() )
+            xC->enableDialogControl( true );
+        ImplActivateTabControllers();
+    }
+
+    if( bVis && !isDesignMode() )
+        UnoControl::setVisible( true );
+}
+
+
+// awt::XWindow
+void UnoControlContainer::setVisible( sal_Bool bVisible )
+{
+    ::osl::Guard< ::osl::Mutex > aGuard( GetMutex() );
+
+    UnoControl::setVisible( bVisible );
+    if( !mxContext.is() && bVisible )
+        // This is a Topwindow, thus show it automatically
+        createPeer( uno::Reference< awt::XToolkit > (), uno::Reference< awt::XWindowPeer > () );
+}
+
+OUString UnoControlContainer::getImplementationName()
+{
+    return "stardiv.Toolkit.UnoControlContainer";
+}
+
+css::uno::Sequence<OUString> UnoControlContainer::getSupportedServiceNames()
+{
+    auto s(UnoControlBase::getSupportedServiceNames());
+    s.realloc(s.getLength() + 2);
+    auto ps = s.getArray();
+    ps[s.getLength() - 2] = "com.sun.star.awt.UnoControlContainer";
+    ps[s.getLength() - 1] = "stardiv.vcl.control.ControlContainer";
+    return s;
+}
+
+void UnoControlContainer::PrepareWindowDescriptor( css::awt::WindowDescriptor& rDesc )
+{
+    // HACK due to the fact that we can't really use VSCROLL & HSCROLL
+    // for Dialog  ( css::awt::VclWindowPeerAttribute::VSCROLL
+    // has the same value as
+    // css::awt::WindowAttribute::NODECORATION )
+    // For convenience in the PropBrowse using HSCROLL and VSCROLL ensures
+    // the Correct text. We exchange them here and the control knows
+    // about this hack ( it sucks badly I know )
+    if ( rDesc.WindowAttributes & css::awt::VclWindowPeerAttribute::VSCROLL )
+    {
+       rDesc.WindowAttributes &= ~css::awt::VclWindowPeerAttribute::VSCROLL;
+       rDesc.WindowAttributes |= css::awt::VclWindowPeerAttribute::AUTOVSCROLL;
+    }
+    if ( rDesc.WindowAttributes & css::awt::VclWindowPeerAttribute::HSCROLL )
+    {
+       rDesc.WindowAttributes &= ~css::awt::VclWindowPeerAttribute::HSCROLL;
+       rDesc.WindowAttributes |= css::awt::VclWindowPeerAttribute::AUTOHSCROLL;
+    }
+}
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
+stardiv_Toolkit_UnoControlContainer_get_implementation(
+    css::uno::XComponentContext *,
+    css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new UnoControlContainer());
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */